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Why Is My Air Conditioner Constantly Running?

air conditioner running

Although we live in the Sunshine State and experience the sweet sun year-round, the summer months bring brutally warm, sticky weather. You might notice your air conditioner constantly running during this time of year to cool down your home. As the summer months quickly creep up, it’s important to troubleshoot any arising issues you might be experiencing with your heating, ventilation and air conditioning (HVAC) system. Our dedicated HVAC experts at All Brands Corp. AC Inc share a few reasons why your air conditioner is constantly running.

Common Reasons Why Your AC Won’t Stop Running

It’s crucial to have your HVAC system in tip-top shape for the upcoming heat wave of summer. Here are a few common reasons why your AC won’t stop running.

Wrong Size AC Unit

One of the most common reasons why an air conditioner might be running constantly is due to a unit that is too small or too large or the size of your ducts might not be compatible with the unit. When an AC unit is too small, it will have to work even harder to cool your home, which can cause damage to the unit itself and reduce its lifespan. Units that are too large will not properly remove moisture and can lead to increased humidity levels indoors, not to mention higher utility bills due to the excessive amount of electricity required. If the unit is not compatible with the duct size, it will not be able to handle the necessary amount of airflow in your home. You can avoid this issue with proper AC installation from the experts at All Brands Corp. AC Inc.

Irregular Air Conditioner Maintenance

Humans require the proper care, nutrients and energy to thrive, and so do HVAC systems! Irregular air conditioner maintenance also causes your unit run constantly. Regular AC maintenance is crucial to avoid costly repairs and to ensure it is running efficiently. In Florida, we recommended checking your unit at least once a year in the springtime, before the summer heat wave arrives. If your unit needs more invasive repairs, you won’t be left in the sweltering situation without air conditioning. With irregular air conditioner maintenance, you might be faced with an air conditioner that is constantly running in addition to the fear that the system is completely failing.

Dirty Air Filter

Another common reason why your air conditioner is constantly running is due to a dirty air filter. For immediate relief, changing your air filter can drastically change the flow of air through your system. Dirty air filters commonly restrict the air flow and cause your system to run harder and more frequently throughout the day. When your unit is clogged due to a dirty air filter, it tends to run harder to compensate, potentially overheating the unit. Check the manufacture’s recommendation, but our team suggests changing your air filter once a month to keep your air conditioner from constantly running.

The best way to ensure your air conditioner is working properly is to hire our HVAC experts at All Brands Corp. AC Inc. We offer reputable service, maintenance, repairs, and even emergency AC services in the Florida Keys.  Leave the hard work to the professionals to ensure you have an AC unit that in optimal condition for the summer heat. Contact us today for further information on the services we offer.


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We offer 24/7 Emergency Service to all of our customers. You can always count on AirPro Experts to get to you fast and get the job done right the first time. We use state-of-the-art diagnostic equipment to find the source of your heating and air conditioning problems and fix them fast.